body {
  overflow: hidden;
}

.bgpic {
  position: absolute;
  z-index: -1;
  width: 100%;
  height: 100%;
}

.login {
  height: 305px;
  width: 260px;
  padding: 20px;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 4px;
  position: absolute;
  left: 50%;
  top: 40%;
  margin: -150px 0 0 -150px;
}

.login h1 {
  text-align: center;
  color: #fff;
  font-size: 24px;
  margin-bottom: 20px;
}

.form_code {
  position: relative;
}

.form_code .code {
  position: absolute;
  right: 0;
  top: 1px;
  cursor: pointer;
}

.remember_me {
  float: right;
}

.remember_me label {
  color: #fff;
}

.login_btn {
  width: 100%;
}